Kitware Robot authored Jan 10, 2013 and Brad King committed Jan 11, 2013

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ 608d6b47 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' fc60c8b8..608d6b47
Rolf Eike Beer (6):
      297758a5 SystemInformation: fix conversion warning
      79ef34ef SystemInformation: fix calling kwsysProcess_WaitForData()
      f1068caf SystemInformation: speed up copying process data
      7dfc27d5 SystemInformation: check CPU vendor and SSE support on OpenBSD
      494d9d7a SystemInformation: get stepping code on Intel Macs
      608d6b47 SystemInformation: determine processor features on Intel Macs

Change-Id: I7f5bc5b7af2bf7d4e5c1ee291c286add0f17a7d5